There's a new rocky Earth-size planet on our galactic block, and it's a sizzler.
Chile broke ground Wednesday on a massive telescope that is set to be the world's largest and will allow astronomers to look back to the earliest moments after the Big Bang.
The mighty cockroach packs a powerful bite, thanks to jaws that can grind five times stronger than a human's, or with 50 times more force than the bug's body weight, researchers said Wednesday.
Astronomers have discovered a mysterious dwarf planet that is three times farther away than Pluto and believed to be the most distant object in our solar system.
New findings at Egypt's Khufu pyramid are raising hopes of unraveling the mysteries of one of the ancient world's most iconic monuments, including whether it may contain secret chambers.
A chimpanzee mother cared for her disabled infant in the wild in Tanzania, Japanese researchers reported in a study published this week, research they hope will help in understanding the evolution of social care in humans.
Taking the bus or train to work may be even healthier than walking, according to a new study published Sunday by the American Heart Association.
After emerging from an eight-day space simulation on Friday, the all-female Russian crew said they had missed their loved ones in the experiment more than they missed the comforts of regular life.
NASA's Mars-orbiting Maven spacecraft has discovered that the sun likely robbed the red planet of its once-thick atmosphere and water.
A new study has found that American over 30 are less likely than parents were to say they are happy.